<#macro relation_table att>
	<#assign relation_table_name = "">
	<#list [att.@class,object.name]?sort as l>
		<#assign relation_table_name = relation_table_name + l>
		<#if l_has_next>
			<#assign relation_table_name = relation_table_name + "_" >
		</#if>
	</#list>
</#macro>
<#macro relation att>
	<#if att.@name[0]??>
        <#assign relation_name = att.@name>
    <#else>
        <#assign relation_name = att.@class?uncap_first + "Id">
    </#if>
</#macro>

